ttyrpld is a multi-OS kernel-level TTY keylogger and screenlogger with (a)synchronous replay support. It runs on Linux, Solaris, FreeBSD, NetBSD and OpenBSD.
A Linux kernel module to grab keys pressed in the keyboard, or a keylogger.
keysniffer was initially written with the US keyboard (and conforming laptops) in mind. By default it shows human-readable strings for the keys pressed. However, as keyboards evolved, more keys got added. So the module now supports a module parameter codes which shows the keycode shift_mask pair in hex (codes=1) or decimal (codes=2). You can lookup the keycodes in /usr/include/linux/input-event-codes.h.
The...
NLoger is a Linux KeyLogger designed to be simple, small, and still get the job done right.
Surprising enough, software KeyLoggers are quite rare, especially on the Linux platform. And the ones that do exist, are not universal to all Linux distributions, however, NLoger is.
NLoger is ideal for SSH and terminal bi-user workspaces.
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An opensource chrome javascript extension/user-script, that records key strokes in the browser, and sends them to an external listener, cannot be detected by any anti-virus at the moment.
Written Completely in javascript and php.
A simple keylogger written in python. It is primarily designed for backup purposes, but can be used as a stealth keylogger, too. It does not raise any trust issues, since it is a set of [relatively] short python scripts that you can easily examine.
LKL is a userspace keylogger that runs under Linux on the x86 arch. LKL logs everything that passes through the hardware keyboard port (0x60). It translates keycodes to ASCII with a keymap file.
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